/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain an copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.bingoogolapple.transformerstip.demo;

import ohos.agp.utils.Point;
import ohos.agp.window.service.Display;
import ohos.agp.window.service.DisplayManager;
import ohos.app.Context;

import java.util.Optional;

/**
 * Utils
 *
 * @author 王浩 邮件:bingoogolapple@gmail.com
 * @since 2021-04-04
 */
public class Utils {
    private static final int TITTLE_HEIGHT = 160;

    private Utils() {
    }

    /**
     * 获取屏幕大小
     *
     * @param context context
     * @return Point
     */
    public static Point getScreenSize(Context context) {
        // 获取屏幕分辨率
        Optional<Display> display = DisplayManager.getInstance().getDefaultDisplay(context);
        Point pt = new Point();
        if (display.isPresent()) {
            display.get().getSize(pt);
        }

        // 去除上面标题栏和下面导航栏的高度
        pt.modify(pt.getPointX(), (int) pt.getPointY() - TITTLE_HEIGHT);
        return pt;
    }

    /**
     * 计算屏宽度
     *
     * @param context context
     * @return int
     */
    public static int calculateScreenWidth(Context context) {
        return getScreenSize(context).getPointXToInt();
    }
}